<template>
  <div class="bg" v-if="show" style="z-index: 5000">
    <el-button @click="close" class="close">关闭</el-button>
    <div class="canvas-container">
      <div class="canvas"
           :style="{
                    width: changeStyleWithScale(canvasStyleData.width) + 'px',
                    height: changeStyleWithScale(canvasStyleData.height) + 'px',
                }"
      >
        <ComponentWrapper
          v-for="(item, index) in componentData"
          :key="index"
          :config="item"
        />
      </div>
    </div>
  </div>
</template>

<script>
import { getStyle } from '../../utils/style'
import { mapState } from 'vuex'
import ComponentWrapper from './ComponentWrapper'
import { changeStyleWithScale } from '../../utils/translate'

export default {
  model: {
    prop: 'show',
    event: 'change'
  },
  props: {
    show: {
      type: Boolean,
      default: false
    }
  },
  components: { ComponentWrapper },
  computed: mapState([
    'componentData',
    'canvasStyleData'
  ]),
  methods: {
    changeStyleWithScale,

    getStyle,

    close() {
      this.$emit('change', false)
    }
  }
}
</script>

<style lang="scss" scoped>
.bg {
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: fixed;
  background: rgb(0, 0, 0, .5);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 20px;

  .canvas-container {
    width: calc(100% - 40px);
    height: calc(100% - 120px);
    overflow: auto;

    .canvas {
      background: #fff;
      position: relative;
      margin: auto;
    }
  }

  .close {
    position: absolute;
    right: 20px;
    top: 20px;
  }
}
</style>
